Threaded bolt MD

Threaded bolt MD

Stud welding with drawn arc with the MD threaded stud type
These threaded studs are available in the following materials: steel (4.8), stainless steel (A2-50). Bolts with practically continuous partial thread of type MD are standard according to DIN EN ISO 13918:2018 and can be used as bolts with aluminum brazing con M6-20 together with ceramic rings of type MF or under inert gas without aluminum brazing (max. up to M12). Studs and ceramic rings are always supplied as a matching unit. They are suitable for manual or fully automatic stud welding.

The dimensions can be found in the table below.

We - Stud Welding Technology bsk + BTV GmbH - can also supply you with threaded bolts, pins, internally threaded sockets and grounding flat plugs from our extensive warehouse at short notice and are also happy to manufacture special bolts according to your special requirements in high quality.


We have set new standards with the M series of stud welding machines and the matching stud welding guns. We will be happy to advise you on which device meets your requirements and fits your application perfectly
For more than 10 years, we have been the undisputed No. 1 in the automatic sector with the patented RAPIDOR QF automatic welding head. The RAPIDOR QF digital automatic welding head is designed for semi-automatic and fully automatic stud welding of threaded studs, bushes and pins and is indispensable for welding different stud lengths.
Stud welding gun DAI-12M
Stud welder DAI-1300
Automatic welding head RAPIDOR QF
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